Messages in this thread Patch in this message | | | Date | Sat, 28 Oct 2023 12:41:23 +0200 | From | Ingo Molnar <> | Subject | [GIT PULL] perf events fix |
| |
Linus,
Please pull the latest perf/urgent git tree from:
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git perf-urgent-2023-10-28
# HEAD: a71ef31485bb51b846e8db8b3a35e432cc15afb5 perf/core: Fix potential NULL deref
Fix a potential NULL dereference bug.
Thanks,
Ingo
------------------> Peter Zijlstra (1): perf/core: Fix potential NULL deref
kernel/events/core.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/kernel/events/core.c b/kernel/events/core.c index d0663b9324e7..a2f2a9525d72 100644 --- a/kernel/events/core.c +++ b/kernel/events/core.c @@ -13372,7 +13372,8 @@ static int inherit_group(struct perf_event *parent_event, !perf_get_aux_event(child_ctr, leader)) return -EINVAL; } - leader->group_generation = parent_event->group_generation; + if (leader) + leader->group_generation = parent_event->group_generation; return 0; }
| |